面对
题库10
The following appeared in the editorial section of a local newspaper:
“This past winter, 200 students from Waymarsh State College traveled to the state capitol building to protest against proposed cuts in funding for various state college programs. The other 12,000 Waymarsh students evidently weren’t so concerned about their education: they either stayed on campus or left for winter break. Since the group who did not protest is far more numerous, it is more representative of the state’s college students than are the protesters.
Therefore the state legislature need not heed the appeals of the protesting students.”
Discuss how well reasoned . . . etc.
调查类错误攻击思路：反过来攻击。逆向说：样本选择随机是具有代表性的。
B. Quantity of the sample
样本数量少，要受到质疑;数据多也要质疑，比如1万人，看似多，但只占0.1%。
a. 样本数量要大 b. 样本要随机。
题库25题。重点。
The following appeared as part of an article in a magazine on lifestyles:
“Two years ago, City L was listed 14th in an annual survey that ranks cities according to the quality of life that can be enjoyed by those living in them. This information will enable people who are moving to the state in which City L is located to confidently identify one place, at least, where schools are good, housing is affordable, people are friendly, the environment is safe, and the arts flourish.” Discuss how well reasoned . . . etc.
作者没有说调查了多少城市，调查的城市越多，论证越有力，反之也成立。
模板：
Unless the surveyors sampled a sufficient number of and did so randomly across the entire spectrum, the survey results are not reliable to gauge_____ generally. The number of respondents/samples in itself does not ensure representativeness. For example, if the sample included only , then the results would no doubt suggest . Or if _____, (1200) would account for only a little percentage, which would renders the result of the survey meaningless.
(2)Result of the survey
A. Do the statistics make any meaningfulness? 数据是否有意义?数据即使准确，但是有没有意义?